/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.24-fb55353
[2019-11-06 21:34:26,027 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-06 21:34:26,034 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-06 21:34:26,052 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-06 21:34:26,053 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-06 21:34:26,055 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-06 21:34:26,057 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-06 21:34:26,067 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-06 21:34:26,071 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-06 21:34:26,073 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-06 21:34:26,074 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-06 21:34:26,076 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-06 21:34:26,077 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-06 21:34:26,079 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-06 21:34:26,080 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-06 21:34:26,082 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-06 21:34:26,084 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-06 21:34:26,085 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-06 21:34:26,087 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-06 21:34:26,093 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-06 21:34:26,097 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-06 21:34:26,100 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-06 21:34:26,101 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-06 21:34:26,101 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-06 21:34:26,103 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-06 21:34:26,103 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-06 21:34:26,103 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-06 21:34:26,104 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-06 21:34:26,105 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-06 21:34:26,105 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-06 21:34:26,106 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-06 21:34:26,106 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2019-11-06 21:34:26,108 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-06 21:34:26,108 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-06 21:34:26,109 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-11-06 21:34:26,110 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-11-06 21:34:26,111 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-06 21:34:26,112 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-06 21:34:26,125 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-06 21:34:26,126 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-06 21:34:26,127 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-06 21:34:26,127 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-06 21:34:26,127 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-06 21:34:26,127 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-06 21:34:26,128 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-06 21:34:26,128 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-06 21:34:26,128 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-06 21:34:26,128 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-06 21:34:26,128 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-06 21:34:26,129 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-06 21:34:26,129 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-06 21:34:26,129 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-06 21:34:26,129 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-06 21:34:26,129 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-06 21:34:26,130 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-06 21:34:26,130 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-06 21:34:26,130 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-06 21:34:26,130 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-06 21:34:26,130 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-06 21:34:26,131 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 21:34:26,131 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-06 21:34:26,131 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-06 21:34:26,131 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-06 21:34:26,131 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-06 21:34:26,132 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-06 21:34:26,132 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-06 21:34:26,132 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-06 21:34:26,496 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-06 21:34:26,518 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-06 21:34:26,523 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-06 21:34:26,524 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-06 21:34:26,525 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-06 21:34:26,526 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c
[2019-11-06 21:34:26,596 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa28154d1/6988588b83e5413bb6b4615dba886fbb/FLAGdd9ca4210
[2019-11-06 21:34:27,202 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-06 21:34:27,203 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c
[2019-11-06 21:34:27,242 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa28154d1/6988588b83e5413bb6b4615dba886fbb/FLAGdd9ca4210
[2019-11-06 21:34:27,430 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa28154d1/6988588b83e5413bb6b4615dba886fbb
[2019-11-06 21:34:27,442 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-06 21:34:27,443 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-06 21:34:27,447 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-06 21:34:27,447 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-06 21:34:27,451 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-06 21:34:27,453 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:27" (1/1) ...
[2019-11-06 21:34:27,456 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eebeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:27, skipping insertion in model container
[2019-11-06 21:34:27,456 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:27" (1/1) ...
[2019-11-06 21:34:27,465 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-06 21:34:27,555 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-06 21:34:28,328 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:34:28,347 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-06 21:34:28,508 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:34:28,571 INFO  L192         MainTranslator]: Completed translation
[2019-11-06 21:34:28,571 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:28 WrapperNode
[2019-11-06 21:34:28,571 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-06 21:34:28,572 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-06 21:34:28,572 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-06 21:34:28,573 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-06 21:34:28,585 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:28" (1/1) ...
[2019-11-06 21:34:28,586 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:28" (1/1) ...
[2019-11-06 21:34:28,619 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:28" (1/1) ...
[2019-11-06 21:34:28,619 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:28" (1/1) ...
[2019-11-06 21:34:28,683 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:28" (1/1) ...
[2019-11-06 21:34:28,738 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:28" (1/1) ...
[2019-11-06 21:34:28,760 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:28" (1/1) ...
[2019-11-06 21:34:28,782 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-06 21:34:28,782 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-06 21:34:28,783 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-06 21:34:28,783 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-06 21:34:28,784 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:28" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 21:34:28,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-06 21:34:28,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-06 21:34:28,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:34:28,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-11-06 21:34:28,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2019-11-06 21:34:28,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2
[2019-11-06 21:34:28,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-11-06 21:34:28,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure initTopDown
[2019-11-06 21:34:28,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure initBottomUp
[2019-11-06 21:34:28,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure isBlocked
[2019-11-06 21:34:28,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base
[2019-11-06 21:34:28,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator
[2019-11-06 21:34:28,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base
[2019-11-06 21:34:28,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator
[2019-11-06 21:34:28,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton
[2019-11-06 21:34:28,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetFloorButton
[2019-11-06 21:34:28,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentFloorID
[2019-11-06 21:34:28,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure areDoorsOpen
[2019-11-06 21:34:28,886 INFO  L138     BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed
[2019-11-06 21:34:28,887 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentHeading
[2019-11-06 21:34:28,887 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEmpty
[2019-11-06 21:34:28,888 INFO  L138     BoogieDeclarations]: Found implementation of procedure anyStopRequested
[2019-11-06 21:34:28,888 INFO  L138     BoogieDeclarations]: Found implementation of procedure isIdle
[2019-11-06 21:34:28,889 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight
[2019-11-06 21:34:28,889 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull
[2019-11-06 21:34:28,889 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection
[2019-11-06 21:34:28,889 INFO  L138     BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed
[2019-11-06 21:34:28,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure continueInDirection
[2019-11-06 21:34:28,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight
[2019-11-06 21:34:28,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull
[2019-11-06 21:34:28,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor
[2019-11-06 21:34:28,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure getReverseHeading
[2019-11-06 21:34:28,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor
[2019-11-06 21:34:28,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-11-06 21:34:28,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState
[2019-11-06 21:34:28,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection
[2019-11-06 21:34:28,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling
[2019-11-06 21:34:28,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure isExecutiveFloor
[2019-11-06 21:34:28,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec1
[2019-11-06 21:34:28,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec14
[2019-11-06 21:34:28,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWeight
[2019-11-06 21:34:28,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure getOrigin
[2019-11-06 21:34:28,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure getDestination
[2019-11-06 21:34:28,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-11-06 21:34:28,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-11-06 21:34:28,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-11-06 21:34:28,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-11-06 21:34:28,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07
[2019-11-06 21:34:28,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobCall
[2019-11-06 21:34:28,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure aliceCall
[2019-11-06 21:34:28,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure angelinaCall
[2019-11-06 21:34:28,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckCall
[2019-11-06 21:34:28,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure monicaCall
[2019-11-06 21:34:28,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure bigMacCall
[2019-11-06 21:34:28,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure threeTS
[2019-11-06 21:34:28,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-11-06 21:34:28,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions
[2019-11-06 21:34:28,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest_Simple
[2019-11-06 21:34:28,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification1
[2019-11-06 21:34:28,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-11-06 21:34:28,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification3
[2019-11-06 21:34:28,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-11-06 21:34:28,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-11-06 21:34:28,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-11-06 21:34:28,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-11-06 21:34:28,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-11-06 21:34:28,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:34:28,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-11-06 21:34:28,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-11-06 21:34:28,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-11-06 21:34:28,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure initFloors
[2019-11-06 21:34:28,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure isFloorCalling
[2019-11-06 21:34:28,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetCallOnFloor
[2019-11-06 21:34:28,900 INFO  L138     BoogieDeclarations]: Found implementation of procedure callOnFloor
[2019-11-06 21:34:28,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPersonOnFloor
[2019-11-06 21:34:28,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure initPersonOnFloor
[2019-11-06 21:34:28,901 INFO  L138     BoogieDeclarations]: Found implementation of procedure removePersonFromFloor
[2019-11-06 21:34:28,902 INFO  L138     BoogieDeclarations]: Found implementation of procedure isTopFloor
[2019-11-06 21:34:28,902 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-06 21:34:28,902 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-06 21:34:28,903 INFO  L130     BoogieDeclarations]: Found specification of procedure initTopDown
[2019-11-06 21:34:28,903 INFO  L130     BoogieDeclarations]: Found specification of procedure bobCall
[2019-11-06 21:34:28,904 INFO  L130     BoogieDeclarations]: Found specification of procedure threeTS
[2019-11-06 21:34:28,904 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-11-06 21:34:28,904 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-11-06 21:34:28,905 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-11-06 21:34:28,906 INFO  L130     BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed
[2019-11-06 21:34:28,906 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentFloorID
[2019-11-06 21:34:28,906 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentHeading
[2019-11-06 21:34:28,906 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2019-11-06 21:34:28,906 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2
[2019-11-06 21:34:28,906 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-11-06 21:34:28,907 INFO  L130     BoogieDeclarations]: Found specification of procedure getWeight
[2019-11-06 21:34:28,907 INFO  L130     BoogieDeclarations]: Found specification of procedure getDestination
[2019-11-06 21:34:28,907 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator
[2019-11-06 21:34:28,907 INFO  L130     BoogieDeclarations]: Found specification of procedure isFloorCalling
[2019-11-06 21:34:28,907 INFO  L130     BoogieDeclarations]: Found specification of procedure resetCallOnFloor
[2019-11-06 21:34:28,907 INFO  L130     BoogieDeclarations]: Found specification of procedure isPersonOnFloor
[2019-11-06 21:34:28,907 INFO  L130     BoogieDeclarations]: Found specification of procedure removePersonFromFloor
[2019-11-06 21:34:28,908 INFO  L130     BoogieDeclarations]: Found specification of procedure isTopFloor
[2019-11-06 21:34:28,908 INFO  L130     BoogieDeclarations]: Found specification of procedure initFloors
[2019-11-06 21:34:28,908 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-11-06 21:34:28,908 INFO  L130     BoogieDeclarations]: Found specification of procedure isBlocked
[2019-11-06 21:34:28,909 INFO  L130     BoogieDeclarations]: Found specification of procedure printState
[2019-11-06 21:34:28,909 INFO  L130     BoogieDeclarations]: Found specification of procedure isEmpty
[2019-11-06 21:34:28,909 INFO  L130     BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed
[2019-11-06 21:34:28,910 INFO  L130     BoogieDeclarations]: Found specification of procedure initBottomUp
[2019-11-06 21:34:28,910 INFO  L130     BoogieDeclarations]: Found specification of procedure areDoorsOpen
[2019-11-06 21:34:28,910 INFO  L130     BoogieDeclarations]: Found specification of procedure isIdle
[2019-11-06 21:34:28,910 INFO  L130     BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling
[2019-11-06 21:34:28,911 INFO  L130     BoogieDeclarations]: Found specification of procedure isExecutiveFloor
[2019-11-06 21:34:28,911 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base
[2019-11-06 21:34:28,911 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base
[2019-11-06 21:34:28,911 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator
[2019-11-06 21:34:28,912 INFO  L130     BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton
[2019-11-06 21:34:28,912 INFO  L130     BoogieDeclarations]: Found specification of procedure resetFloorButton
[2019-11-06 21:34:28,912 INFO  L130     BoogieDeclarations]: Found specification of procedure anyStopRequested
[2019-11-06 21:34:28,912 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight
[2019-11-06 21:34:28,912 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull
[2019-11-06 21:34:28,913 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection
[2019-11-06 21:34:28,913 INFO  L130     BoogieDeclarations]: Found specification of procedure continueInDirection
[2019-11-06 21:34:28,913 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight
[2019-11-06 21:34:28,913 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull
[2019-11-06 21:34:28,913 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor
[2019-11-06 21:34:28,914 INFO  L130     BoogieDeclarations]: Found specification of procedure getReverseHeading
[2019-11-06 21:34:28,914 INFO  L130     BoogieDeclarations]: Found specification of procedure processWaitingOnFloor
[2019-11-06 21:34:28,914 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-06 21:34:28,914 INFO  L130     BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection
[2019-11-06 21:34:28,914 INFO  L130     BoogieDeclarations]: Found specification of procedure getOrigin
[2019-11-06 21:34:28,915 INFO  L130     BoogieDeclarations]: Found specification of procedure initPersonOnFloor
[2019-11-06 21:34:28,915 INFO  L130     BoogieDeclarations]: Found specification of procedure spec1
[2019-11-06 21:34:28,915 INFO  L130     BoogieDeclarations]: Found specification of procedure spec14
[2019-11-06 21:34:28,915 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-11-06 21:34:28,915 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-11-06 21:34:28,916 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-11-06 21:34:28,916 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-11-06 21:34:28,916 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-11-06 21:34:28,916 INFO  L130     BoogieDeclarations]: Found specification of procedure get_nondetMinMax07
[2019-11-06 21:34:28,916 INFO  L130     BoogieDeclarations]: Found specification of procedure aliceCall
[2019-11-06 21:34:28,916 INFO  L130     BoogieDeclarations]: Found specification of procedure angelinaCall
[2019-11-06 21:34:28,917 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckCall
[2019-11-06 21:34:28,917 INFO  L130     BoogieDeclarations]: Found specification of procedure monicaCall
[2019-11-06 21:34:28,917 INFO  L130     BoogieDeclarations]: Found specification of procedure bigMacCall
[2019-11-06 21:34:28,917 INFO  L130     BoogieDeclarations]: Found specification of procedure randomSequenceOfActions
[2019-11-06 21:34:28,917 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest_Simple
[2019-11-06 21:34:28,917 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification1
[2019-11-06 21:34:28,918 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-11-06 21:34:28,918 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification3
[2019-11-06 21:34:28,918 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-11-06 21:34:28,918 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-11-06 21:34:28,918 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-11-06 21:34:28,919 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-11-06 21:34:28,919 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-11-06 21:34:28,919 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-11-06 21:34:28,920 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-11-06 21:34:28,920 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-11-06 21:34:28,920 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-11-06 21:34:28,920 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-11-06 21:34:28,920 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-11-06 21:34:28,921 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-11-06 21:34:28,921 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-11-06 21:34:28,921 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:34:28,921 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:34:28,922 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-11-06 21:34:28,922 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-11-06 21:34:28,922 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-11-06 21:34:28,922 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-11-06 21:34:28,922 INFO  L130     BoogieDeclarations]: Found specification of procedure callOnFloor
[2019-11-06 21:34:28,922 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-06 21:34:28,923 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-06 21:34:28,923 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-06 21:34:31,670 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-06 21:34:31,671 INFO  L284             CfgBuilder]: Removed 10 assume(true) statements.
[2019-11-06 21:34:31,672 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:34:31 BoogieIcfgContainer
[2019-11-06 21:34:31,673 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-06 21:34:31,673 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-06 21:34:31,674 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-06 21:34:31,677 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-06 21:34:31,677 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:34:27" (1/3) ...
[2019-11-06 21:34:31,678 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591f32c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:34:31, skipping insertion in model container
[2019-11-06 21:34:31,678 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:28" (2/3) ...
[2019-11-06 21:34:31,678 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591f32c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:34:31, skipping insertion in model container
[2019-11-06 21:34:31,679 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:34:31" (3/3) ...
[2019-11-06 21:34:31,680 INFO  L109   eAbstractionObserver]: Analyzing ICFG elevator_spec3_product23.cil.c
[2019-11-06 21:34:31,690 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-06 21:34:31,699 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-06 21:34:31,711 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-06 21:34:31,753 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-06 21:34:31,753 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-06 21:34:31,753 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-06 21:34:31,753 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-06 21:34:31,753 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-06 21:34:31,754 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-06 21:34:31,754 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-06 21:34:31,754 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-06 21:34:31,790 INFO  L276                IsEmpty]: Start isEmpty. Operand 821 states.
[2019-11-06 21:34:31,819 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2019-11-06 21:34:31,820 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:34:31,821 INFO  L410         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 21:34:31,823 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:34:31,828 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:34:31,829 INFO  L82        PathProgramCache]: Analyzing trace with hash 1013618199, now seen corresponding path program 1 times
[2019-11-06 21:34:31,838 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:34:31,838 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705946182]
[2019-11-06 21:34:31,838 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:34:32,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:33,451 WARN  L191               SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 379
[2019-11-06 21:34:33,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:33,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:33,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:33,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:33,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:33,716 WARN  L191               SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-11-06 21:34:33,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:33,884 WARN  L191               SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106
[2019-11-06 21:34:33,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:33,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:33,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:34,387 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2019-11-06 21:34:34,388 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705946182]
[2019-11-06 21:34:34,389 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:34:34,389 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2019-11-06 21:34:34,390 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158404949]
[2019-11-06 21:34:34,397 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 13 states
[2019-11-06 21:34:34,397 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:34:34,412 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2019-11-06 21:34:34,413 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2019-11-06 21:34:34,416 INFO  L87              Difference]: Start difference. First operand 821 states. Second operand 13 states.
[2019-11-06 21:34:35,718 WARN  L191               SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109
[2019-11-06 21:34:36,733 WARN  L191               SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 382
[2019-11-06 21:34:37,621 WARN  L191               SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 382
[2019-11-06 21:34:38,623 WARN  L191               SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 382
[2019-11-06 21:34:39,585 WARN  L191               SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 382
[2019-11-06 21:34:40,458 WARN  L191               SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 384
[2019-11-06 21:34:44,125 WARN  L191               SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115
[2019-11-06 21:34:48,790 WARN  L191               SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 148
[2019-11-06 21:35:03,396 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 21:35:03,397 INFO  L93              Difference]: Finished difference Result 1693 states and 2953 transitions.
[2019-11-06 21:35:03,398 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2019-11-06 21:35:03,400 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states. Word has length 141
[2019-11-06 21:35:03,400 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 21:35:03,439 INFO  L225             Difference]: With dead ends: 1693
[2019-11-06 21:35:03,439 INFO  L226             Difference]: Without dead ends: 1026
[2019-11-06 21:35:03,455 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930
[2019-11-06 21:35:03,476 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1026 states.
[2019-11-06 21:35:03,760 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 667.
[2019-11-06 21:35:03,761 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 667 states.
[2019-11-06 21:35:03,769 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1055 transitions.
[2019-11-06 21:35:03,771 INFO  L78                 Accepts]: Start accepts. Automaton has 667 states and 1055 transitions. Word has length 141
[2019-11-06 21:35:03,772 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 21:35:03,772 INFO  L462      AbstractCegarLoop]: Abstraction has 667 states and 1055 transitions.
[2019-11-06 21:35:03,772 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 13 states.
[2019-11-06 21:35:03,772 INFO  L276                IsEmpty]: Start isEmpty. Operand 667 states and 1055 transitions.
[2019-11-06 21:35:03,782 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2019-11-06 21:35:03,782 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:35:03,782 INFO  L410         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 21:35:03,783 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:35:03,783 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:35:03,783 INFO  L82        PathProgramCache]: Analyzing trace with hash 1339739785, now seen corresponding path program 1 times
[2019-11-06 21:35:03,784 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:35:03,784 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553982847]
[2019-11-06 21:35:03,784 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:35:03,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:04,729 WARN  L191               SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 379
[2019-11-06 21:35:04,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:04,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:04,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:04,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:04,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:04,932 WARN  L191               SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-11-06 21:35:04,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:05,275 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2019-11-06 21:35:05,276 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553982847]
[2019-11-06 21:35:05,276 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:35:05,276 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2019-11-06 21:35:05,276 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96184908]
[2019-11-06 21:35:05,278 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 10 states
[2019-11-06 21:35:05,279 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:35:05,279 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2019-11-06 21:35:05,279 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2019-11-06 21:35:05,279 INFO  L87              Difference]: Start difference. First operand 667 states and 1055 transitions. Second operand 10 states.